wannacry | 243e5d85a27746d528fc36cc830b008063547594df88353bb6a4a4cfd1efc70f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2025 04:15

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General

Target

2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
Size

3.6MB
MD5

d467250fcdf94ea0f4789ffc14f108fc
SHA1

77e50c388701705357be006a2f806263184cef08
SHA256

243e5d85a27746d528fc36cc830b008063547594df88353bb6a4a4cfd1efc70f
SHA512

5b78893535913f8567000c2b5df0972b2d49efb75a516e8e65e8abbd0526dcf15186ba2428c5705174f04a3f7b3388db3599762ccd9f7b1431e6799da2f1b612
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhz3R8yAVp2H:yDqPe1Cxcxk3ZAEnR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3201) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
2132	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3756
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2132

C:\Users\Admin\AppData\Local\Temp\2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-18_d467250fcdf94ea0f4789ffc14f108fc_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
9b33f2c5b263f05467d56409d2733a51

SHA1
72cca13520117fb2773968cdd2317561cc6ec517

SHA256
7209a045a990bd29833aea2850ec786e2710d6052f8d93dd4f8b671ee18ee971

SHA512
e1f105f4ab430f63958acacfdbdd4a179bfdf82f19199fdda66a3cdf422fe45051cf2b32a49a5395fb4cb6d56e24f60b9cc7c5725a88759a47a36b5d740cad7d

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